Perhaps you should try some spelling variations:
"expediciones pedagogicas" » "expedicion pedagogica", "implicaciones pedagogicas", "experiencias pedagogicas"
"mediaciones pedagogicas" » "implicaciones pedagogicas", "innovaciones pedagogicas", "mediaciones tecnologicas"
"innovacion pedagogica" » "innovacion tecnologica", "investigacion pedagogica"
"mediacion pedagogica" » "investigacion pedagogica"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("mediaciones pedagogicas") or ("orientaciones pedagogicas"))) or ("expediciones pedagogicas"))) or ((("mediacion pedagogica") OR ("innovacion pedagogica"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("mediaciones pedagogicas") OR ("orientaciones pedagogicas"))) OR ("expediciones pedagogicas"))) OR ((("mediacion pedagogica") OR ("innovacion pedagogica")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"mediaciones pedagogicas\") or (\"orientaciones pedagogicas\"))) or (\"expediciones pedagogicas\"))) or (((\"mediacion pedagogica\") OR (\"innovacion pedagogica\"))))".
• Removing quotes may allow a broader search: (((((( mediaciones pedagogicas ) or ( orientaciones pedagogicas ))) or ( expediciones pedagogicas ))) or ((( mediacion pedagogica ) OR ( innovacion pedagogica )))).
• Adding a wildcard symbol may retrieve word variants: (((((("mediaciones pedagogicas") or ("orientaciones pedagogicas"))) or ("expediciones pedagogicas"))) or ((("mediacion pedagogica") OR ("innovacion pedagogica"))))*.

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